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Former Pakistani President Pervez Musharraf, center, surrounded by guards, upon his arrival to Karachi airport, Pakistan, Sunday, March 24, 2013. Former Pakistani President Pervez Musharraf ended more than four years in self-exile Sunday with a flight to his homeland, seeking a possible political comeback in defiance of judicial probes and death threats from Taliban militants. (AP Photo/Shakil Adil)
/ AP